The Unexpected Visitor
by bsgroxmysox
Summary: Cal takes on the case of a missing teenager from someone the Lightman Group don't necessarily trust. Will Cal be able to help find the girl in time? How will Gillian feel about working with someone from her past?
1. Chapter 1

**OK, new story from me! This chap is just a brief intro, so please review and let me know what you think about the start! :D**

"Absolutely not." The chair scraped as it was pushed back from the table, nearly toppling with the speed that Cal stood up.

"Wait, wait, Dr. Lightman, come on. We really need your help on this." The three other men in the room stood at the same time Cal did. Ryan Marshall, the man who was running this meeting, stepped in front of Cal to block his exit. Ben Reynolds stood behind Lightman, ready to follow through on whatever Lightman decided to do.

The third man stood meekly to the side, knowing that he was the cause for Cal's attempt at a quick escape. Marshall continued to present a compelling argument to keep Cal from leaving.

"Dr. Lightman I know you have a past with my colleague, but we need your help. This girl is being held captive in a foreign country. She's probably hungry, beaten, and scared. She may even be dead by now, but the State Department have to do everything possible within our power to find her."

Cal sighed as he turned back to Reynolds. Ben shrugged, not wanting to get in the middle of this mess. Cal fixed his gaze on the now quivering man in the corner.

"What will be your involvement if I take this case?" The man wiped sweat of his brow and adjusted his glasses before answering.

"I just want to help get this girl back, I've been on the case since the beginning and I just want to find her." That was a lie. Sure he wanted to find this girl but there was something else he would like to get out of this also. Cal crossed the room in three swift steps, cornering the man against the wall.

"I will take this case on **ONE** condition." He waited for a nod of acknowledgement before continuing on. "All dealings with the State Department, and more specifically _**you**_, go through me. You deal with no-one else in the Lightman Group _**especially**_ not Gillian. Is that understood?"

There was a slight hesitation before the man finally nodded once more and Cal took a step back from him. He announced that the Lightman employees would review the files and recordings made so far and get back to them. As he was leaving the office he saw a small smile creep onto the man's face.

He was most definitely going to regret agreeing to work on a case with Alec Foster.

**Intrigued yet?**


	2. Chapter 2

**Thanks to everyone for the awesome reviews! This chapter is a little shorter than I had originally anticipated but the next one is much longer! **

**Thanks to wallygreengiant again for all her help.**

**Enjoy :D**

So far he had avoided Gillian which meant she hadn't found out about Alec's involvement in this case. Cal involuntarily gulped at the thought of her fury when she found out. _If_ she found out, he had to remind himself.

"What's got you so worried Boss?" Ria Torres strolled into his office, stopping in front of the screen on his wall. The screen now showed a shaky image of a 15 year old girl. It was frozen on a picture of her with her eyebrows raised and pulled together, her lips stretched horizontally. She was petrified.

"Shut the door Torres. What I'm about to tell you doesn't leave this room, right?" Torres nodded after closing the door and taking a seat in front of his desk.

"Right, well I have taken a case for the State Department. You've heard about the Ambassador's daughter going missing right?"

"Ya. Is that her?" Torres pointed to the frozen image of the scared girl.

"Ya that's her. Now you and I are going to be working on it, we might bring in Loker if necessary, but Foster is not to hear about this. Got it?" Ria shook her head in confusion.

"From what I can see this video feed is not the best, you can't possibly get a great read off their faces. Surely we'll need all the help we can get, especially Foster's skills for voice recognition."

"No. Look, the liaison over at the State Department happens to be Alec Foster."

"As in Gillian Foster's ex-husband? Your business partner's ex-husband? Your-" They were interrupted by a knock at the office door, the intruder not waiting for a response before swinging the door open. Alec Foster hurried into the office looking rather flushed. Sensing Cal's anger he held up a hand and began to explain himself.

"I know you said to keep away, Cal, but we got something. You weren't answering your phone so I had to bring it down here."

"I'm sure you have a secretary that could help with that, Alec." Despite his harsh tone he took what Alec was offering him. It was a disc, no doubt another video of the young girl they were looking for. Quickly playing the video they all stood around the screen, watching as more images were displayed.

The quality of the image was so bad that you couldn't even make out if the person you were looking at was male or female, only the twang of a feminine California accent gave away the gender. There was nothing Cal could do when he could barely make out her face.

"It's unreadable." His voice was resigned and he sounded defeated. Torres glared at him and judging by how uncomfortable she was making him feel, she hadn't just been learning from him. That was a Foster glare if ever he saw one. Whose protégé was she now, Cal thought bitterly.

"For us it's unreadable." She spoke aloud now to both Cal and Alec, knowing both would understand what she meant.

"Gillian." It was Cal's turn to glare now. Angry at Alec for even _mentioning_ Gillian's name, angry at Torres for bringing Gillian up, angry at himself for not being able to help this girl, and angry at the people responsible for her kidnapping.

"Fine, _**I'll**_ bring this to her and ask her what she gets from it. You," he pointed his finger in Alec's face, leaning in to get his message across, "go back to your office and wait for _me_ to contact _you_. Understand?" Alec nodded and Cal stepped back.

"I heard she began dating someone." Torres' head flew up, her mouth opening and eyes widening in surprise at Alec's words.

"Not that it's any of your business, Alec, but yes. She's been seeing someone for a few months now. And again I reiterate, it's _none_ of your business." Alec nodded, looking as defeated as Cal had a few moments before. Taking this as his cue to leave, he turned on his heel and strolled out of the room, not even bothering with goodbyes.

"You gonna tell Foster what's going on?"

"You still here Torres?" Realising she wasn't going to get anything more from him she followed the same route Alec had taken only seconds before, leaving Cal alone with his thoughts.

**Please review and let me know what you think about where the story is going :D**


	3. Chapter 3

**Ok longer chapter this time! Again wallygreengiant is brilliant :D**

The familiar _clip clop_ of her heels clanging against the floor caused Cal to sit up in his chair. Wringing his hands together nervously he contemplated how best to approach the subject of their newest case. Her laughter floated into his office as he heard her joking with Loker seconds before he caught a glimpse of luscious legs strolling into view, the same legs that strolled into his office and came to a stop in front of his desk.

"My eyes are up here, Cal." Despite the reprimand she spoke with a smile on her face, her eyes glistening with merriment as she settled herself into a chair.

"Yes and what beautiful eyes they are darling." He wanted to extend her happiness, knowing as soon as he explained about Alec that beautiful smile would disappear.

"Not that I'm not enjoying all this flattery, but Loker said you were looking for me. It sounded kind of urgent."

"State department asked us to look into a missing girl's case."

"The ambassador's daughter?" The smile remained but worry filled her eyes as she leaned forward to hear more of what Cal was explaining.

"Ya, the footage we've received isn't great for me and Torres to see their faces. We need your expert ears on this one."

"You only seem interested in my body parts today. Hand me the tapes, Loker and I will run through them in the lab." She pushed herself up from the chair with a grunt before she reached out to grab the tapes from him.

"There's one more thing." Her head snapped up from where she was staring at the tapes to now gaze quizzically at him. "You know our contact at the state department." Her eyes narrowed and she slowly lowered her gaze to the label on the tapes. Releasing a sigh of relief she looked up at him once more.

"Geez, Cal, you scared me there for a minute. I thought you meant Alec." Confusion swept through Cal as he struggled to read the name on the labels that Gillian had been so relieved to see.

_Ryan Marshall_

Despite Alec being a class A moron, he had somehow had the foresight to put his bosses name on the label, knowing it would come into Gillian's hands at some point.

"Ya, well, I knew he used to be Alec's boss so..." He trailed off lamely but her obvious relief had blinded her to his less than stellar conversational skills. "Well, let me know if you and Loker find anything."

She left him with another great smile before slowly walking out of his office. Cal dropped to his chair and groaned, he had to tell her. Didn't he? He groaned once more before picking up a pen and beginning to work on the mountain of paperwork sitting on his desk.

X

"Woah" The door Cal had thrust open narrowly avoided making contact with Eli Loker's face, the young man displaying some impressive gymnastic skills to jump out of the way of the oncoming collision.

"Make it a habit to stand right by doors Loker?"

"Make it a habit to hit your employees in the face when opening doors Dr. Lightman?" Gillian rolled her eyes at the vocal sparring match between the two men and began to speak as if neither of them were behaving like children.

"We found something you might find interesting Cal." Turning from Loker, Cal made his way to stand beside his partner's chair as she pressed a few buttons on the keyboard and pulled up some footage.

"There are two things we found. Firstly, the emphasis they are putting is on the money, not the freeing of the political prisoners. This kidnapping isn't political, they're after the ransom." Cal nodded along, encouraging her to continue.

"And the other thing we found is here." She played a piece of audio that had a man with a heavy Middle Eastern accent reading the list of demands. After a few seconds she turned it off, twisting in her chair to face him.

"What about that?"

"He's a fake Cal. That isn't his real accent. It's a very good attempt, but there are a couple of words where he slips up." How many times would this woman continue to impress him? The level of her talent never ceased to amaze him.

"That's absolute genius, Foster." She beamed up at him from her chair. She looked comfy, reclined slightly, feet resting on a raised bar of the table in front of her, and her hand resting across her stomach.

"Loker, get Torres for me will ya? Tell her we're bringing the new information over to Al- Ryan Marshall." He had caught himself from saying Alec and he prayed his mistake wasn't witnessed by the others in the room. When Loker had jogged from the room to find Ria, Cal rested a hand on Gillian's shoulder.

"Have dinner with me tonight. That nice Italian place you like. The small one, not the one with the waiter who looks like one of the Mario Bros characters." She giggled at his description of Tony.

"I've a date tonight unfortunately."

"Another one? That's three times this week. Getting serious with this guy?" Her answering smile almost knocked him backwards. If it weren't for his grip on her shoulder he would have lost his balance with the force with which the air left his lungs.

"It might be." Torres pushed the door open, slightly more careful than Cal did earlier and called Cal.

"Lucky bugger. See you later luv." With a gentle squeeze to her shoulder he turned and left her, following Torres out the door.

X

Alec Foster's office was small. That was the first thing that came to Cal's mind as he sat there waiting for the man himself to show up. Torres was tapping her foot impatiently against the maroon carpet and glancing around the room.

"You're gonna wear a hole if you keep that up." As he spoke her tapping halted and an embarrassing blush crept onto her cheeks. Before she could answer however, Alec entered the room followed by a slightly flustered looking secretary.

"This needs to be signed by Anderson, this needs to be filed with payroll, and this needs to be photocopied four times and sent to the members of the crisis team. I gave you their contact info earlier do you still have it?" She replied in the affirmative although the shake of her head said no. Cal couldn't help but feel sorry for the overwhelmed girl.

"Cal, Ria. Sorry to keep you waiting." He strolled behind the desk, frowning slightly when neither Cal nor Ria stood up to greet him. "So, did Gillian look at the tapes?"

"Dr. Foster went through all the tapes and you need to change the nature of this investigation. The people behind this are in it for the ransom. They're after the mother's money rather than the father's political power. Also one of the voices on the tapes is putting on an accent. We can't be sure as to where he's really from but it isn't Iran."

Alec sat there speechless for a few moments after Ria finished speaking, his hands still clasped on the desk in front of him. Cal and Ria let him digest what they had told them before diving in once more.

"We're going to need to interview the parents tomorrow, preferably in the Lightman Group offices. It's where we do our best work." Cal punctuated his statement with a wink and waited for Alec to nod and jot down what he was telling them before continuing. "Also anyone who has access to their itinerary and where the Ambassador and his family would be at what time."

Alec nodded once more and scribbled Cal's instructions down furiously. Cal nodded at Ria and both stood up and made to leave the room.

"Cal, can you wait a moment."

"Go ahead Torres. I'll see you in the office in the morning for these interviews." Ria nodded and left, closing the door gently behind her. Cal turned to face Alec once more, wishing he could be anywhere else but here.

"I know it's none of my business, but is it serious?"

"I'd say it's very serious Alec, a teenage girl is missing." Alec looked genuinely confused for a minute before he realised his mistake. Shaking his head he began again, trying to make himself clearer.

"I mean Gillian and this new man. Is she serious about him?" Cal's eyes narrowed in anger and he felt his fists clench at his sides. It took immeasurable amounts of strength to _not_ punch this man in the face. Oh how he wanted to punch him really hard.

"Alec, I am going to say this once, and only once. You and Gillian are divorced; you have no right to ask about her, or any aspect of her professional or personal life. I will do you the courtesy of letting you know that yes, I believe her relationship is very serious. And if you _ever_ ask me about her again I will punch you so hard that you'll wish I used a baseball bat instead of my fist. Is that clear?"

He took Alec's gulp of terror as a 'yes' and exited the room, making sure to slam the door extra hard, and to smile at the secretary before leaving.

X

The restaurant was quiet, just how he liked it. It was dimly lit by candles and soft piano music weaved through the patrons, creating a soothing ambiance. He spotted her sitting at the back table sipping a glass of water. She was turned to the side in a look that screamed daydreaming. She never looked more perfect.

Her lack of concentration allowed him to sneak up on her and she wasn't aware of him until his hand snaked around her shoulder and he placed a kiss to the top of her head.

"Is that all the greeting I get?" Her voice was tinged with playfulness as she rested her hand on the table to lean closer to him. He closed the distance between them and caressed her lips with his. They melted together as her hand found its way from the table to tangle in his hair and his slipped onto her knee. As they parted he gave one quick squeeze before pulling back completely.

"I agree with you, luv, much better greeting. Have you ordered yet?" With impeccable timing, the waiter materialised beside them wearing his trademark grin.

"Dr. Lightman, Dr. Foster, so great to see you both again. Will it be the usual tonight or will I need to get menus?

"Thanks Stefan but I think we'll stick to the usual." Gillian spoke gently to the waiter before turning her glance once more to Cal. The hand that had been tangled in his hair was now rubbing gentle strokes across his cheek and he leaned into her once more.

"How was it at the State Department?"

"Fine. They're going to organise the parents and anyone else from the household in for interviews tomorrow. It's going to be a busy day. But I don't want to think about that right now."

His lips brushed against hers again and he used the momentary distraction of his mouth to grab the handle of her chair and pull her closer. She broke the kiss with a squeak but leaned in nonetheless when he wrapped his arm around the chair and rested his hand on her stomach. They sat like that for a few minutes, silent except for the music that wafted in and around them.

"I spoke to the realtor again today. That couple who viewed my apartment last week are coming back for a second look. She thinks they're going to make an offer."

"That's great darling. Although if living with you means my freezer is constantly overflowing with that horrible ice-cream you like I may rethink my invitation."

He received a slap on the chest for his jest and a giggle that rippled across her body, even shaking the hand that lay across her belly. The waiter returned with their starter and they reluctantly pulled apart to begin their meal, only pausing to exchange small smiles and intimate conversation.

******Like where this is going? Let me know! :D**


	4. Chapter 4

**Sorry this took so long! Real life took over and then I got sick :(**

**On the mend again so here is chapter four! Well done to everyone who had guessed who Gillian's _date_ was :D**

**Thanks to Wally for her usual job and ENJOY! **

"So first up is..."

"The father." Gillian answered smiling at how flustered Cal was, shuffling papers between his hands and face reddening with every passing moment. Grabbing the papers from his hands she pushed him into his seat and handed him a glass of water.

"Calm down, Cal. You've got a lot of interviews to do today and we need you on top of your game." He gulped the water happily as Gillian began to tidy the files he had strewn over his desk.

"You know I'm supposed to be the one looking after you."

"We're a team Cal."

"Ya but given the current situation-" They were interrupted by a knock at the office door and Loker slowly sliding his head around, checking if the coast was clear. Since their relationship had become more personal, their staff had behaved more cautiously about approaching them together. Although they tried to keep their personal life at home, there had been moments when an eager Loker or questioning Loker had barged in on an intimate embrace.

"Hey boss, Ambassador Williams is all set up. His wife is sitting with Heidi in the break room, the others will arrive later."

"You and Torres can monitor while Foster and I question. That alright with you luv?" Gillian nodded her head in agreement, leading the way towards the cube. Cal took a moment to appreciate her as she walked, head tilted to watch her retreating form and the sashay of her hips.

Paul Williams sat with his arms resting in front of him on the table, his coffee cup sitting ignored to the side. Depending on who they were questioning, the furniture changed. Sometimes, like now, the aim was to make their subject feel comfortable and welcomed, which was why he had a cup of coffee, a comfy chair and a table. Other times they just had a chair and times when they really wanted their subject uncomfortable and on edge, they had no furniture at all.

Gillian smiled warmly as she sat down causing Williams to relax in his seat, while Cal flopped into the vacant chair opposite him. Silence reigned in the room for a few moments before Cal leaned back in his chair and nodded for her to begin, he would just be reading for a while.

Everything seemed to be what you would expect as Gillian questioned Williams; genuine fear and worry for his daughter. Only when his wife was mentioned did he show an unexpected emotion; anger.

"What was that?" Gillian's flow of questions ceased as she let Cal take over.

"What was what?"

"When Dr. Foster here mentioned your wife you displayed anger. Why?" Williams sat back in his seat, crossing his arms in front of him.

"I don't know what you mean. I have no anger towards my wife." Cal swung his head round to catch Gillian's eye, confirming that she had spotted the defensive posture also.

"Would you mind getting us some more tea, darling?" Cal rose with Gillian and as she made to leave the room gave her a chaste kiss of gratitude. His eyes never left Williams and once the door closed behind his partner, he was leaning into the Ambassador's personal space.

"Just then, you showed disgust. Anger at your wife, disgust at personal displays of affection, these all lead to one conclusion. You're hiding something." Williams looked down and to the side, his eyes misting over briefly before they cleared and he raised his head to stare defiantly at Cal.

"We were thinking about separating. She cheated on me. But this has nothing to do with my daughter's disappearance. Hayley is missing and bringing up my wife's infidelity isn't going to help find her."

"That's where you're wrong. I think that's exactly how we're going to find her."

X

"Ok so what do we have so far?" Gillian popped another dumpling into her mouth, absentmindedly twirling the chopsticks in her hand afterwards.

"The ambassador's missus cheated on him, something he's still very angry about. She said the relationship ended about 8 months ago and so far there have been no signs of a scorned lover, but a missing teenage daughter could be counted as a sign. We need to talk to the employees before we get a clear picture on this."

"One thing for sure, this isn't linked to who her dad is politically." Loker spoke up as he reached forward to take some food off Torres' plate. Everyone in the room nodded, sinking into deep contemplation over the case until Torres broke the silence.

"So, you guys getting excited? It's only another, what, two months until the big day?" Cal watched as Gillian's face transformed from 'deep in thought' to 'pure joy'. The solemn horizontal stretch of her mouth was replaced by an enormous grin and she twisted in her seat to face Ria fully. He was sure the same expression was mirrored on his face.

"Yep, two months as of Tuesday." Their lunch was filled with excited chatter of the 'upcoming event', as they called it, and the tough details of the case were forgotten momentarily. The two employees left their bosses, who were still talking animatedly, shortly after finishing lunch, to set up the cube for the afternoon's set of interviews.

"Do you ever stop and think about how weird everything is now that everything has changed?" Loker asked as his hands glided over the keyboard efficiently. Torres stopped shuffling the papers in her hand and turned to look at him.

"From an outsiders perspective everything's changed, but the day to day dynamics are pretty much the same here."

"That's the weird thing." Both began to laugh but just as soon as Torres started giggling, she stopped. Thoughts of Alec Foster and how his involvement in this case could ruin everything that their bosses had been through in the last year flooded her mind.

"What? What was that thought you just had there?" Loker leaned into her, a move he had most definitely learned from Lightman."

"I know something about this case but I told Lightman I wouldn't tell anyone."

"Ria..."

"Ok, ok but please don't say anything to Lightman and especially not Foster." Loker frowned but nodded anyway, eager to hear the secret Torres so eagerly wanted to spill.

"Alec Foster is the State Department liaison on this case."

"WHAT?" Torres was sure Loker's scream could be heard by her bosses so she wrapped an arm around his head, covering his mouth with her hand to try and keep him quiet. When Loker finally stilled she released him slowly, making sure she had quick access to block any further bursts of outrage being heard. Looking at her with wide surprised eyes he mouthed, _What_, at her again.

"Ya, Lightman has managed to keep it from Foster so far so all we need to do is find that girl as soon as possible and we'll never have to deal with her ex-husband again. Not a word to either of them, promise me Eli!" Loker crossed a finger over his heart, the shock of Torres' revelations still rendering speechless.

"But...but..." Words slowly made their way back into Eli's vocabulary. "Foster is gonna freak if she finds out. What will happen if she does! Ria, in two months they're-"

"I know! I've had this same argument with Lightman, but he's protecting her. It's always about him protecting her. No unnecessary risks when it comes to Foster, remember? Lightman will figure this out." Eli nodded as they both silently re-emerged themselves in their work.

X

The two people of interest in the Williams family employment were the nanny and the bodyguard. They were the only two people with the knowledge of Hayley's schedule and with the opportunity to take her, now all Lightman needed to figure out, was the motive.

Denise Ferguson, the Williams nanny was first up. She cared for the twins, Fergus and Sasha, who were 8 years old.

"They adored their older sister. I never spent much time with her, the family had a different nanny when she was growing up and by the time I joined the family she was already a teenager and according to her 'had no need for a babysitter'."

The young woman finished her story looking to the side with a sad smile on her face, obviously remembering a fond memory of the missing girl. Throughout the interview she had only displayed concern for Hayley, meaning that Cal was very eager to begin the next interview with Jeff Carlson; the bodyguard.

Carlson was a big man, covered in muscles he was the type of man you would see outside a nightclub with an earpiece and a general aura of 'I'm better than you' about him. He sat staring Cal down, almost challenging him to start something. Compensating for something, Cal thought, bringing a smile to his face.

"Tell me about you relationship with Hayley Williams." Carlson shuffled in his seat, obviously uncomfortable with the tone in Cal's voice. So nothing inappropriate there then, Cal mentally began to check things off his list, cataloguing Carlson's reactions to everybody in the family.

"And Mrs. Williams?" There. Pupils dilated, arousal. So Carlson had a thing for his boss, eh? He shrugged one of his massive shoulders before answering.

"Much the same really."

"Nah, that's lie that is. When I mentioned the ambassador's lovely wife you showed arousal. You got a thing for her have ya?" Carlson's curled his hand into a fist at his side. This, not going unnoticed by Cal, made him push harder trying to get the big man to break.

"Ya you wanted her, didn't you? You wanted the boss? What is it, got a thing for women in power do ya? You wanted her because of that?"

"I LOVED HER!" The fist that had been clenched at his side came down hard and fast on the table in front of them. Gillian gave a little jump but relaxed when she felt Cal's hand resting on her knee in an attempt to reassure her.

"Were you having an affair with Mrs. Williams?" Carlson nodded, tears gathering in his eyes.

"Yes. We were in love. Or at least I thought we were."

"When did this relationship end?"

"About 8 or 9 months ago. She said her husband had found out and we needed to end things. I thought she was going to leave him."

"Did you kidnap Hayley Williams?" Carlson raised his head in shock, tears staining his cheeks.

"No. No, God no!" No signs of deception. Another dead end. Cal nodded and waited for Gillian to stand before exiting the room and allowing the man some privacy to compose himself.

X

"So the parents, the nanny and the bodyguard seem clear." The four of them sat in Cal's office again, trying to come up with answers from their day of interviews. Gillian sat twirling slightly in Cal's desk chair as she summed up what they had gathered.

"Right, Torres and Loker, I want you to go over those videos again for tomorrow. I'll bring them over to the State Department in the afternoon. Foster can review what you've got in the morning."

The two employees rushed off to begin their tasks as Cal rounded the desk to pull Gillian up from the chair. As she stood he snaked an arm around her waist, pulling her close to him to steal a kiss.

"You have Emily tonight?"

"Yep and apparently she's making us dinner, although why she wants to poison us is beyond me." Gillian chuckled as she ran a hand through his hair.

"It's a mystery why she wants to poison me; you on the other hand..." She trailed off, her giggles growing louder at the look on Cal's face.

"You've just hurt my feelings."

"Oh dear Cal, would a kiss make it better?" He barely let her finish before dragging her back to him and captured her lips once more. Their kisses were gentle and sweet and Cal's knees almost buckled as she deepened the kiss with a tender moan.

They were too wrapped up in each other, literally and figuratively, to hear the approaching steps. This time Alec Foster didn't have the courtesy to knock before barging into the office. The sound of something clattering to the floor broke the two from their embrace.

"_Alec_?" Alec's eyes were busy darting between Cal and Gillian before slowly lowering from Gillian's face to fix on her swollen stomach. Instinctively Cal stepped between them but it was too late.

"You're _pregnant_?"

* * *

**And here I thought I was keeping this hidden but congrats to Huddly, iluvcheer27 and Yay33N for guessing correctly in the reviews! Damn my sneakiness never works! **

**Please review! :D**


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